Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Old July 11th 07, 08:54 AM posted to sci.electronics.design,sci.electronics.repair
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Default Internal wiring of USA v UK mains plug

Eeyore wrote in
:



bz wrote:

It take 1 cal to raise 1 ml of water by 1 degree.
A watt is about 0.239 cal/second.


Does the USA still teach calories rather than Joules ?


Both can be found in most text books.

Dieters still count calories.

It is a lot easier for ME to remember that it takes one cal to raise one mL
of water one deg C than it would be to remember to use 4.187 Joules for the
same task.



--
bz 73 de N5BZ k

please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
infinite set.

remove ch100-5 to avoid spam trap

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Old July 11th 07, 06:12 PM posted to sci.electronics.design,sci.electronics.repair
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Default Internal wiring of USA v UK mains plug

On Tue, 10 Jul 2007 17:52:54 -0700, Spurious Response
wrote:

On Tue, 10 Jul 2007 06:50:39 -0700, John Larkin
wrote:

On Mon, 09 Jul 2007 20:47:47 -0700, Spurious Response
wrote:

On Mon, 09 Jul 2007 16:10:56 +0100, "Dave Plowman (News)"
wrote:

If it were spaghetti, so it could be poured out of the spout?

Here, a kettle can be anything from a tea kettle to a giant two foot
deep pot for LA Gumbo.


Kettle? We just cut a 55-gallon drum in half.

John



So, how many PCBs do you think you have introduced into your body over
the years with all the various and sundry exposure events we Americans
have the opportunity to endure?

Amount needed to cause a malignancy mutation: 2 parts per Billion.


If you're willing to eat the crawfish, there's not a lot of point in
worrying about stuff leached off the drum. US cancer rates have been
gradually declining for decades, so we must be doing something right.

Are PCBs really carcinogenic? There are lots of references that say
not.


John

noting that PCB = polychlorinated biphenyl, not pc board
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Old July 12th 07, 09:42 AM posted to sci.electronics.design,sci.electronics.repair
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Default Internal wiring of USA v UK mains plug

On Wed, 11 Jul 2007 07:23:07 +0100, Eeyore
wrote:



Spurious Response wrote:

Eeyore wrote:
bz wrote:

It take 1 cal to raise 1 ml of water by 1 degree.
A watt is about 0.239 cal/second.

Does the USA still teach calories rather than Joules ?


kiloCalories. Based on (utilizes) BTUs.


Bizarre.


http://en.wikipedia.org/wiki/British_thermal_unit
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Old July 12th 07, 09:43 AM posted to sci.electronics.design,sci.electronics.repair
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Default Internal wiring of USA v UK mains plug

On Wed, 11 Jul 2007 07:54:17 +0000 (UTC), bz
wrote:

Eeyore wrote in
:



bz wrote:

It take 1 cal to raise 1 ml of water by 1 degree.
A watt is about 0.239 cal/second.


Does the USA still teach calories rather than Joules ?


Both can be found in most text books.

Dieters still count calories.

It is a lot easier for ME to remember that it takes one cal to raise one mL
of water one deg C than it would be to remember to use 4.187 Joules for the
same task.



Joules is now in use.

The calorie as is used in talk regarding dietary intake actually refers
to the kilocalorie.
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Old July 12th 07, 10:36 AM posted to sci.electronics.design,sci.electronics.repair
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Default Internal wiring of USA v UK mains plug



Spurious Response wrote:

Eeyore wrote:
Spurious Response wrote:
Eeyore wrote:
bz wrote:

It take 1 cal to raise 1 ml of water by 1 degree.
A watt is about 0.239 cal/second.

Does the USA still teach calories rather than Joules ?


kiloCalories. Based on (utilizes) BTUs.


Bizarre.


http://en.wikipedia.org/wiki/British_thermal_unit


Not used in Britain., although for some curious reason central heating boilers
and radiators continued to be specified in them until quite recently. Thankfully
they're in kW now.

Graham




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